noun
Technical term for the hard outer covering of animals such as turtles, crustaceans, and some insects. Often used in biological contexts; compare with 甲殻 (こうかく) which refers more broadly to shells and crusts.
See also: 甲殻
カメの甲皮は非常に硬い。
A turtle's carapace is very hard.
甲皮の構造を顕微鏡で観察した。
We observed the structure of the carapace under a microscope.